diff --git a/bacnet-stack/ports/win32/bip-init.c b/bacnet-stack/ports/win32/bip-init.c
index 9479afec..fedc8f02 100644
--- a/bacnet-stack/ports/win32/bip-init.c
+++ b/bacnet-stack/ports/win32/bip-init.c
@@ -43,11 +43,6 @@
 #include "bip.h"
 #include "net.h"
 
-void bip_set_interface(char *ifname)
-{
-  /*dummy function - to make the demos compile easier */
-}
-
 /* To fill a need, we invent the gethostaddr() function. */
 static long gethostaddr(void)
 {